Question

Lenz's law is consistent with law of conservation of :

• A. current
• B. emf
• C. energy
• D. all of the above

Answer 1

The correct option is C energy

C. Energy.

Lenz's Law is consistent with the principle of conservation of energy because when a magnet with N-pole facing coil is pushed toward the coil, there is an increase in magnetic flux linkage, resulting in an induced current flowing in the cell, according to Faraday's Law. By Lenz's Law, the direction of the induced current is to oppose the increase in the magnetic linkage. Hence, N-pole induced on the side of the approach. The induced current produces an opposing force to the motion of the magnet. This work done in overcoming this force is converted to electrical energy in the coil.